CMN.ATO.IITR.310105 - Work related self-education expense item details on attached Work Related Expenses schedule required
Please check what is relevant to your issue:
1. Turn off "Work Related Expenses" from the manage sections. Remove the module/values if you are NOT reporting any values.
2. If you have to report a value, try to emulate below example-
In this case, error is coming from D3 and D4.
Click on that amount, and make sure to fill ALL information
For 2021 Forms onward, you will notice that the field/box are few
Once you have filled the relevant boxes, you may proceed with validations.
Press "Validate" to check if your form is now valid.